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 Download Samsung Galaxy S21 Ultra 5G SM-G998U - ATT - G998USQU2AUCC

Download the firmware flash for Samsung Galaxy S21 Ultra 5G with the code is SM-G998U. This firmware for the region with CSC code is ATT (ATT - United States). Please make sure the code is correct. You can check model code in Setting - About, in Download mode or you can find it by flipping your phone or among the things you found in the box. This product PDA version is G998USQU2AUCC and Android version is R(Android 11). This firmware size is 6.6 GB.

This firmware is official from Samsung Cloud Server. Of course, we recommend you are using official Samsung tool like Samsung Smart Switch or Samsung Kies. Samfw.com will not responsible for any damage caused by using the files on this website

  • AP VERSION G998USQU2AUCC
  • CSC VERSION G998UOYN2AUCC
  • ANDROID VERSION R(Android 11)
  • BIT (BINARY/U/SW REV.) 2
  • SIZE 6.6 GB  Full Files
  • MD5 4b966e2f0b349b7830998e9171f6a387
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Child files of G998USQU2AUCC - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
HOME_CSC_OMC_OYN_G998UOYN2AUCC_CL21281606_QB39441491_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
112.79 MB 		MD5
USERDATA_ATT_G998USQU2AUCC_CL21281606_QB39441491_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
605.69 MB 		MD5
BL_G998USQU2AUCC_CL21281606_QB39441491_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
83.49 MB 		MD5
AP_G998USQU2AUCC_CL21281606_QB39441491_REV00_user_low_ship_MULTI_CERT_meta_OS11.tar.md5.zip 0 dl
5.6 GB 		MD5
CP_G998USQU2AUCC_CP18844135_CL21281606_QB39441491_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
53.68 MB 		MD5
CSC_OMC_OYN_G998UOYN2AUCC_CL21281606_QB39441491_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
112.81 MB 		MD5
Lastest combinations Galaxy S21 Ultra 5G SM-G998U
Device Version Bit/SW REV. FA Change list
SM-G998U / Galaxy S21 Ultra 5G G998USQU4AUG4 4 FAR0 CL22210599
SM-G998U / Galaxy S21 Ultra 5G G998USQU3AUD3 3 FAR0 CL21561395
SM-G998U / Galaxy S21 Ultra 5G G998USQU2AUC3 2 FAR0 CL21221992
SM-G998U / Galaxy S21 Ultra 5G G998USQU1AUA4 1 FAR0 CL20796634
All combinations
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 How to flash Samsung Galaxy S21 Ultra 5G SM-G998U firmware

1. Extract (unzip) the Samsung firmware file. Recommended using WinRAR or 7-Zip

2. Download Odin Tool 3.13.1

3. Extract Odin ZIP file

4. Open Odin execute file

5. Reboot Samsung phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)

6. Connect you Samsung phone and wait until you get a blue sign in Odin

7. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots

8. Make sure re-partition is NOT ticked

9. Click the START button, sit back and wait few minutes

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